Artist, composer and researcher Edwin van der Heide expands musical composition and musical language in spatial, interactive, and interdisciplinary directions. His often site-specific, highly immersive installations don’t just take up space: they are a very deliberate inquiry into space itself and into its affordances as an artistic medium and material. Edwin’s pieces create space, modifying its actual and perceived boundaries. They make space present, apparent, and even tangible. In this podcast, we talk to Edwin about art in public space, air pressure, sounds under water, loudspeakers, networks, odd spatial experiences, and sonic phenomenology.